Comprehensive Income (Components of Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 29, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Comprehensive income	$ 406,239	$ 735,807	$ 1,208,356
Foreign currency translation adjustment, before tax	(232,185)	(3,106)	(33,191)
Other comprehensive income (loss), before tax	(310,673)	(315,801)	371,224
Other comprehensive income (loss), tax	(30,139)	(120,075)	155,295
Amortization of prior service cost, net of tax	6,949	6,970	11,310
Amortization of actuarial loss (gain), net, net of tax	11,972	9,968	44,610
Amortization of transition obligation, net of tax	0	0	88
Total reclassification adjustments, net of tax	18,921	16,938	56,008
Prior service cost arising in current year, net of tax	(563)	214	(33,203)
Actuarial (loss) gain, net, arising in current year, net of tax	(37,712)	(127,942)	225,929
Total other comprehensive income before reclassification adjustments, net of tax	(38,275)	(127,728)	192,726
Amortization of cash flow hedges, net of tax	5,116	385	386
Change in fair value of cash flow hedges, net of tax	(34,111)	(82,215)	0
Total other comprehensive (loss) income	(280,534)	(195,726)	215,929
Pension and other postretirement plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Prior service cost arising in current year, before tax	(914)	347	(53,902)
Actuarial (loss) gain arising in current year	(61,221)	(207,698)	366,769
Total other comprehensive income before reclassification adjustments, before tax	(62,135)	(207,351)	312,867
Prior service cost arising in current year, tax	(351)	133	(20,699)
Actuarial (loss) gain, net, arising in current year, tax	(23,509)	(79,756)	140,840
Total other comprehensive income before reclassification adjustments, tax	(23,860)	(79,623)	120,141
Prior service cost arising in current year, net of tax	(563)	214	(33,203)
Actuarial (loss) gain, net, arising in current year, net of tax	(37,712)	(127,942)	225,929
Total other comprehensive income before reclassification adjustments, net of tax	(38,275)	(127,728)	192,726
Pension and other postretirement plans | Reclassification adjustments | Operating expenses
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amortization of prior service cost, before tax	11,279	11,313	18,360
Amortization of actuarial loss (gain), net, before tax	19,437	16,184	72,421
Amortization of transition obligation, before tax			141
Total reclassification adjustments, before tax	30,716	27,497	90,922
Amortization of prior service cost, tax	4,331	4,343	7,050
Amortization of actuarial loss (gain), net, tax	7,464	6,216	27,811
Amortization of transition obligation, tax			53
Total reclassification adjustments, tax	11,795	10,559	34,914
Amortization of prior service cost, net of tax	6,948	6,970	11,310
Amortization of actuarial loss (gain), net, net of tax	11,973	9,968	44,610
Amortization of transition obligation, net of tax			88
Total reclassification adjustments, net of tax	18,921	16,938	56,008
Foreign currency translation
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation adjustment, before tax	(232,185)	(3,106)	(33,191)
Foreign currency translation adjustment, tax	0	0	0
Foreign currency translation adjustment, net of tax	(232,185)	(3,106)	(33,191)
Interest rate swaps
Accumulated Other Comprehensive Income (Loss) [Line Items]
Change in fair value of cash flow hedges, before tax	(55,374)	(133,466)
Change in fair value of cash flow hedges, tax	(21,263)	(51,251)
Change in fair value of cash flow hedges, net of tax	(34,111)	(82,215)
Interest rate swaps | Reclassification adjustments | Interest expense
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amortization of cash flow hedges, before tax	8,305	625	626
Amortization of cash flow hedges, tax	3,189	240	240
Amortization of cash flow hedges, net of tax	$ 5,116	$ 385	$ 386